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Anonymous
The factors of 54 are:
1, 2, 3, 6, 9, 18, 27, 54
The factors of 80 are:
1, 2, 4, 5, 8, 10, 16, 20, 40, 80
The common factors are:
1, 2
The Greatest Common Factor:
GCF = 2
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The GCF is 2.
The LCM is: 2160
The GCF is 18.
2160
It is: 54
The LCM of 51 and 80 is 4080
The least common multiple of 55 and 80 is 880.
The LCM is 1890.